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ECU reflahes have been out for the cars over in the Asian markets, but now that the cars have hit US soil it suddenly becomes more interesting. Attatched is a picture of a dyno tune that was done to a 2.0T Genesis Coupe that was otherwise stock. It showed a healthy gain of around 35PS, which for arguments sake is very close to 35HP at the wheels. It’s actually around 34.5HP, but lets keep it simple; the bottom line is that you can still see a healty increase from just a reflash. Source: GenCoupe, DTMSpeed

Remember in this article when Edmunds said they couldn’t get the numbers they were hoping for in a 300HP RWD coupe? Well it turns out Hyundai didn’t think those numbers were right either, so they worked it out with Edmunds and found a few problems. Worn tires, a bad alignment, and an over-zealous ECU were to blame. With these issues fixed, Edmunds takes ther V6 coupe out to the track again, this time with much more promising numbers! Good thing is that Hyundai is already working with dealers to address the ECU problem, and reflashes are on the way to eleminate the 3 second shift delay. According to Edmunds, if you already bought your car, call up your Hyundai dealer and they will perform the reflash for free. Great news all around! Click here to see their retest! Thanks to Loren for the tip!

Hyundai was disappointed to. So they went through the car following our track session looking for answers. What Hyundai’s engineers found was a rear wheel alignment that was off spec and worn front tires paired with new rears. 

Seoulful Racing has been doing a lot of importing and prototyping for the new Genesis Coupe and they have focused on the 2.0t model for a lot of their work. One of their latest developments is their new BOV kits for the 2.0t motor. Since the Siemens VDO ECU-II manages the airflow with a MAP sensor, BOV’s can be added to the car without driveability issues. Those of you that enjoy the BOV sound can get it now without the stalling issues that plagued MAF based cars! More pictures after the break!

Finally got our first batch of piping kit+Blow off valve
It uses the same flange as HKS, so customers can have either our BOV or HKS bov on this piping. Piping is made in aluminum and polished.

Its only a short drive, but Car and Driver has taken the 2.0T model out for a short drive. They like the feature list, and they compare the engine to the Mitsubishi 4B11. It also uses the Siemens VDO ECU-II for engine management, which is a fairly new and complex system.  Click here for the full review.

Hyundai knows 210 horsepower in a 3380-pound car won’t astound anyone. It imagines the base Genesis coupe with its 2.0-liter turbocharged four as a blank canvas for tuners and speed-widget makers chasing the young buyers who will be hooked by the turbo’s $22,750 starting price.